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Application filed by Львівське Мале Підприємство "Люмо", Львовское малое предприятие "ЛЮМО"filedCriticalЛьвівське Мале Підприємство "Люмо"
Priority to UA94061611ApriorityCriticalpatent/UA13862A/en
Publication of UA13862ApublicationCriticalpatent/UA13862A/en
The invention relates to a method for regeneration of luminescent materials. A method comprises treatment of waste of luminophor by super sulfuric ammonium in the medium of acetic acid in the presence of hydrofluoric acid, sedimentation of suspension and decantation of liquid phase. Waste of luminophor is in addition treated by chloride lime in alkaline medium at an amount of 10-20 % to mass of luminophor and citric acid at an amount of 0.2-0.3 % of luminophor mass.
UA94061611A1993-05-281993-05-28method for regeneration of luminophor of red color of luminescence
UA13862A
(en)